<template>
  <div v-if="!item.hidden" class="menu-wrapper">
    <template
      v-if="!item.children"
    >
      <app-link v-if="!item.hidden" :to="resolvePath(item.path)">
        <el-menu-item
          :index="resolvePath(item.path)"
          unique-opened="true"
          :class="{ 'submenu-title-noDropdown': !isNest }"
        >
          <item
            :title="item.meta.title" :icon="item.meta.icon"
          />
        </el-menu-item>
      </app-link>
    </template>
    <!-- <template v-for="child in item.children">
      <template v-if="!child.hidden">
        <sidebar-item
          v-if="child.children && child.children.length > 0"
          :is-nest="true"
          :item="child"
          :key="child.path"
          :base-path="resolvePath(child.path)"
          class="nest-menu"
        />

        <app-link v-else :to="resolvePath(child.path)" :key="child.name">
          <el-menu-item :index="resolvePath(child.path)">
            <item
              v-if="child.meta"
              :icon="child.meta.icon"
              :title="generateTitle(child.meta.title)"
            />
          </el-menu-item>
        </app-link>
      </template>
    </template> -->
    <el-submenu
      v-else
      ref="subMenu"
      :index="resolvePath(item.path)"
      popper-append-to-body
    >
      <template slot="title">
        <span slot="title">{{item.name}}</span>
      </template>
      <sidebar-item
        unique-opened="true"
        v-for="child in item.children"
        :key="child.path"
        :is-nest="true"
        :item="child"
        :base-path="resolvePath(child.path)"
        class="nest-menu"
      />
    </el-submenu>
  </div>
</template>

<script>
import path from "path";
import { isExternal, generateTitle } from "@/utils";
import Item from "./item";
import AppLink from "./Link";

export default {
  name: "SidebarItem",
  components: { Item, AppLink },
  props: {
    item: {
      type: Object,
      required: true,
    },
    isNest: {
      type: Boolean,
      default: false,
    },
    basePath: {
      type: String,
      default: "",
    },
  },
  data() {
    return {
      onlyOneChild: null,
    };
  },
  methods: {
    hasOneShowingChild(children, parent) {
      console.log('childer', children)
      const showingChildren = children.filter((item) => {
        if (item.hidden) {
          return false;
        } else {
          this.onlyOneChild = item;
          return true;
        }
      });

      if (showingChildren.length === 1) {
        return true;
      }

      if (showingChildren.length === 0) {
        this.onlyOneChild = { ...parent, path: "", noShowingChildren: true };
        return true;
      }

      return false;
    },
    resolvePath(routePath) {
      if (this.isExternalLink(routePath)) {
        return routePath;
      }
      return path.resolve(this.basePath, routePath);
    },
    isExternalLink(routePath) {
      return isExternal(routePath);
    },
    generateTitle,
  },
};
</script>

